Improve the average delay precision of getdelay tool to microsecond. When
using the getdelay tool, it is sometimes found that the average delay
except CPU is not 0, but display is 0, because the precison is too low.
For example, see delay average of SWAP below when using ZRAM.
print delayacct stats ON
PID 32915
CPU count real total virtual total delay total delay average
339202 2793871936 9233585504 7951112 0.000ms
IO count delay total delay average
41 419296904 10ms
SWAP count delay total delay average
242589 1045792384 0ms
This wrong display is misleading, so improve the millisecond precision of
the average delay to microsecond just like CPU. Then user would get more
accurate information of delay time.
Link: https://lkml.kernel.org/r/202302131408087983857@zte.com.cn
Signed-off-by: Wang Yong <wang.yong12@zte.com.cn>
Reviewed-by: Yang Yang <yang.yang29@zte.com.cn>
Cc: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
-eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP pkts
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and can.
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
- eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of
ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP
pkts"
* tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
net: stmmac: check fwnode for phy device before scanning for phy
net: stmmac: Add queue reset into stmmac_xdp_open() function
selftests: net: rps_default_mask.sh: delete veth link specifically
net: fec: make use of MDIO C45 quirk
can: isotp: fix race between isotp_sendsmg() and isotp_release()
can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events
can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
gve: Secure enough bytes in the first TX desc for all TCP pkts
netlink: annotate lockless accesses to nlk->max_recvmsg_len
ethtool: reset #lanes when lanes is omitted
ping: Fix potentail NULL deref for /proc/net/icmp.
raw: Fix NULL deref in raw_get_next().
ice: Reset FDIR counter in FDIR init stage
ice: fix wrong fallback logic for FDIR
net: stmmac: fix up RX flow hash indirection table when setting channels
net: ethernet: ti: am65-cpsw: Fix mdio cleanup in probe
wifi: mt76: ignore key disable commands
wifi: ath11k: reduce the MHI timeout to 20s
ipv6: Fix an uninit variable access bug in __ip6_make_skb()
...
This Kselftest fixes update for Linux 6.3-rc6 consists of one single
fix to mount_setattr_test build failure.
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Merge tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix to mount_setattr_test build failure"
* tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests mount: Fix mount_setattr_test builds failed
When deleting the netns and recreating a new one while re-adding the
veth interface, there is a small window of time during which the old
veth interface has not yet been removed. This can cause the new addition
to fail. To resolve this issue, we can either wait for a short while to
ensure that the old veth interface is deleted, or we can specifically
remove the veth interface.
Before this patch:
# ./rps_default_mask.sh
empty rps_default_mask [ ok ]
changing rps_default_mask dont affect existing devices [ ok ]
changing rps_default_mask dont affect existing netns [ ok ]
changing rps_default_mask affect newly created devices [ ok ]
changing rps_default_mask don't affect newly child netns[II][ ok ]
rps_default_mask is 0 by default in child netns [ ok ]
RTNETLINK answers: File exists
changing rps_default_mask in child ns don't affect the main one[ ok ]
cat: /sys/class/net/vethC11an1/queues/rx-0/rps_cpus: No such file or directory
changing rps_default_mask in child ns affects new childns devices./rps_default_mask.sh: line 36: [: -eq: unary operator expected
[fail] expected 1 found
changing rps_default_mask in child ns don't affect existing devices[ ok ]
After this patch:
# ./rps_default_mask.sh
empty rps_default_mask [ ok ]
changing rps_default_mask dont affect existing devices [ ok ]
changing rps_default_mask dont affect existing netns [ ok ]
changing rps_default_mask affect newly created devices [ ok ]
changing rps_default_mask don't affect newly child netns[II][ ok ]
rps_default_mask is 0 by default in child netns [ ok ]
changing rps_default_mask in child ns don't affect the main one[ ok ]
changing rps_default_mask in child ns affects new childns devices[ ok ]
changing rps_default_mask in child ns don't affect existing devices[ ok ]
Fixes: 3a7d84eae0 ("self-tests: more rps self tests")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20230404072411.879476-1-liuhangbin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When compiling selftests with target mount_setattr I encountered some errors with the below messages:
mount_setattr_test.c: In function ‘mount_setattr_thread’:
mount_setattr_test.c:343:16: error: variable ‘attr’ has initializer but incomplete type
343 | struct mount_attr attr = {
| ^~~~~~~~~~
These errors might be because of linux/mount.h is not included. This patch resolves that issue.
Signed-off-by: Anh Tuan Phan <tuananhlfc@gmail.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Current release - regressions:
- phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Current release - new code bugs:
- eth: wangxun: fix vector length of interrupt cause
- vsock/loopback: consistently protect the packet queue with
sk_buff_head.lock
- virtio/vsock: fix header length on skb merging
- wpan: ca8210: fix unsigned mac_len comparison with zero
Previous releases - regressions:
- eth: stmmac: don't reject VLANs when IFF_PROMISC is set
- eth: smsc911x: avoid PHY being resumed when interface is not up
- eth: mtk_eth_soc: fix tx throughput regression with direct 1G links
- eth: bnx2x: use the right build_skb() helper after core rework
- wwan: iosm: fix 7560 modem crash on use on unsupported channel
Previous releases - always broken:
- eth: sfc: don't overwrite offload features at NIC reset
- eth: r8169: fix RTL8168H and RTL8107E rx crc error
- can: j1939: prevent deadlock by moving j1939_sk_errqueue()
- virt: vmxnet3: use GRO callback when UPT is enabled
- virt: xen: don't do grant copy across page boundary
- phy: dp83869: fix default value for tx-/rx-internal-delay
- dsa: ksz8: fix multiple issues with ksz8_fdb_dump
- eth: mvpp2: fix classification/RSS of VLAN and fragmented packets
- eth: mtk_eth_soc: fix flow block refcounting logic
Misc:
- constify fwnode pointers in SFP handling
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN and WPAN.
Still quite a few bugs from this release. This pull is a bit smaller
because major subtrees went into the previous one. Or maybe people
took spring break off?
Current release - regressions:
- phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Current release - new code bugs:
- eth: wangxun: fix vector length of interrupt cause
- vsock/loopback: consistently protect the packet queue with
sk_buff_head.lock
- virtio/vsock: fix header length on skb merging
- wpan: ca8210: fix unsigned mac_len comparison with zero
Previous releases - regressions:
- eth: stmmac: don't reject VLANs when IFF_PROMISC is set
- eth: smsc911x: avoid PHY being resumed when interface is not up
- eth: mtk_eth_soc: fix tx throughput regression with direct 1G links
- eth: bnx2x: use the right build_skb() helper after core rework
- wwan: iosm: fix 7560 modem crash on use on unsupported channel
Previous releases - always broken:
- eth: sfc: don't overwrite offload features at NIC reset
- eth: r8169: fix RTL8168H and RTL8107E rx crc error
- can: j1939: prevent deadlock by moving j1939_sk_errqueue()
- virt: vmxnet3: use GRO callback when UPT is enabled
- virt: xen: don't do grant copy across page boundary
- phy: dp83869: fix default value for tx-/rx-internal-delay
- dsa: ksz8: fix multiple issues with ksz8_fdb_dump
- eth: mvpp2: fix classification/RSS of VLAN and fragmented packets
- eth: mtk_eth_soc: fix flow block refcounting logic
Misc:
- constify fwnode pointers in SFP handling"
* tag 'net-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow
net: ethernet: mtk_eth_soc: fix L2 offloading with DSA untag offload
net: ethernet: mtk_eth_soc: fix flow block refcounting logic
net: mvneta: fix potential double-frees in mvneta_txq_sw_deinit()
net: dsa: sync unicast and multicast addresses for VLAN filters too
net: dsa: mv88e6xxx: Enable IGMP snooping on user ports only
xen/netback: use same error messages for same errors
test/vsock: new skbuff appending test
virtio/vsock: WARN_ONCE() for invalid state of socket
virtio/vsock: fix header length on skb merging
bnxt_en: Add missing 200G link speed reporting
bnxt_en: Fix typo in PCI id to device description string mapping
bnxt_en: Fix reporting of test result in ethtool selftest
i40e: fix registers dump after run ethtool adapter self test
bnx2x: use the right build_skb() helper
net: ipa: compute DMA pool size properly
net: wwan: iosm: fixes 7560 modem crash
net: ethernet: mtk_eth_soc: fix tx throughput regression with direct 1G links
ice: fix invalid check for empty list in ice_sched_assoc_vsi_to_agg()
ice: add profile conflict check for AVF FDIR
...
This adds test which checks case when data of newly received skbuff is
appended to the last skbuff in the socket's queue. It looks like simple
test with 'send()' and 'recv()', but internally it triggers logic which
appends one received skbuff to another. Test checks that this feature
works correctly.
This test is actual only for virtio transport.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This Kselftest fixes update for Linux 6.3-rc5 consists of one single
fix for sigaltstack test -Wuninitialized warning found when building
with clang.
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Merge tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix for sigaltstack test -Wuninitialized warning found when
building with clang"
* tag 'linux-kselftest-fixes-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: sigaltstack: fix -Wuninitialized
- Prevent a false-positive warning when retrieving the (invalid) address of
dynamic FPU features in their init state which are not saved in
init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
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Merge tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a AMX ptrace self test
- Prevent a false-positive warning when retrieving the (invalid)
address of dynamic FPU features in their init state which are not
saved in init_fpstate at all
- Randomize per-CPU entry areas only when KASLR is enabled
* tag 'x86_urgent_for_v6.3_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86/amx: Add a ptrace test
x86/fpu/xstate: Prevent false-positive warning in __copy_xstate_uabi_buf()
x86/mm: Do not shuffle CPU entry areas without KASLR
for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"21 hotfixes, 8 of which are cc:stable. 11 are for MM, the remainder
are for other subsystems"
* tag 'mm-hotfixes-stable-2023-03-24-17-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (21 commits)
mm: mmap: remove newline at the end of the trace
mailmap: add entries for Richard Leitner
kcsan: avoid passing -g for test
kfence: avoid passing -g for test
mm: kfence: fix using kfence_metadata without initialization in show_object()
lib: dhry: fix unstable smp_processor_id(_) usage
mailmap: add entry for Enric Balletbo i Serra
mailmap: map Sai Prakash Ranjan's old address to his current one
mailmap: map Rajendra Nayak's old address to his current one
Revert "kasan: drop skip_kasan_poison variable in free_pages_prepare"
mailmap: add entry for Tobias Klauser
kasan, powerpc: don't rename memintrinsics if compiler adds prefixes
mm/ksm: fix race with VMA iteration and mm_struct teardown
kselftest: vm: fix unused variable warning
mm: fix error handling for map_deny_write_exec
mm: deduplicate error handling for map_deny_write_exec
checksyscalls: ignore fstat to silence build warning on LoongArch
nilfs2: fix kernel-infoleak in nilfs_ioctl_wrap_copy()
test_maple_tree: add more testing for mas_empty_area()
maple_tree: fix mas_skip_node() end slot detection
...
Current release - regressions:
- wifi: mt76: mt7915: add back 160MHz channel width support for MT7915
- libbpf: revert poisoning of strlcpy, it broke uClibc-ng
Current release - new code bugs:
- bpf: improve the coverage of the "allow reads from uninit stack"
feature to fix verification complexity problems
- eth: am65-cpts: reset PPS genf adj settings on enable
Previous releases - regressions:
- wifi: mac80211: serialize ieee80211_handle_wake_tx_queue()
- wifi: mt76: do not run mt76_unregister_device() on unregistered hw,
fix null-deref
- Bluetooth: btqcomsmd: fix command timeout after setting BD address
- eth: igb: revert rtnl_lock() that causes a deadlock
- dsa: mscc: ocelot: fix device specific statistics
Previous releases - always broken:
- xsk: add missing overflow check in xdp_umem_reg()
- wifi: mac80211:
- fix QoS on mesh interfaces
- fix mesh path discovery based on unicast packets
- Bluetooth:
- ISO: fix timestamped HCI ISO data packet parsing
- remove "Power-on" check from Mesh feature
- usbnet: more fixes to drivers trusting packet length
- wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
- Bluetooth: btintel: iterate only bluetooth device ACPI entries
- eth: iavf: fix inverted Rx hash condition leading to disabled hash
- eth: igc: fix the validation logic for taprio's gate list
- dsa: tag_brcm: legacy: fix daisy-chained switches
Misc:
- bpf: adjust insufficient default bpf_jit_limit to account for
growth of BPF use over the last 5 years
- xdp: bpf_xdp_metadata() use EOPNOTSUPP as unique errno indicating
no driver support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf, wifi and bluetooth.
Current release - regressions:
- wifi: mt76: mt7915: add back 160MHz channel width support for
MT7915
- libbpf: revert poisoning of strlcpy, it broke uClibc-ng
Current release - new code bugs:
- bpf: improve the coverage of the "allow reads from uninit stack"
feature to fix verification complexity problems
- eth: am65-cpts: reset PPS genf adj settings on enable
Previous releases - regressions:
- wifi: mac80211: serialize ieee80211_handle_wake_tx_queue()
- wifi: mt76: do not run mt76_unregister_device() on unregistered hw,
fix null-deref
- Bluetooth: btqcomsmd: fix command timeout after setting BD address
- eth: igb: revert rtnl_lock() that causes a deadlock
- dsa: mscc: ocelot: fix device specific statistics
Previous releases - always broken:
- xsk: add missing overflow check in xdp_umem_reg()
- wifi: mac80211:
- fix QoS on mesh interfaces
- fix mesh path discovery based on unicast packets
- Bluetooth:
- ISO: fix timestamped HCI ISO data packet parsing
- remove "Power-on" check from Mesh feature
- usbnet: more fixes to drivers trusting packet length
- wifi: iwlwifi: mvm: fix mvmtxq->stopped handling
- Bluetooth: btintel: iterate only bluetooth device ACPI entries
- eth: iavf: fix inverted Rx hash condition leading to disabled hash
- eth: igc: fix the validation logic for taprio's gate list
- dsa: tag_brcm: legacy: fix daisy-chained switches
Misc:
- bpf: adjust insufficient default bpf_jit_limit to account for
growth of BPF use over the last 5 years
- xdp: bpf_xdp_metadata() use EOPNOTSUPP as unique errno indicating
no driver support"
* tag 'net-6.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (84 commits)
Bluetooth: HCI: Fix global-out-of-bounds
Bluetooth: mgmt: Fix MGMT add advmon with RSSI command
Bluetooth: btsdio: fix use after free bug in btsdio_remove due to unfinished work
Bluetooth: L2CAP: Fix responding with wrong PDU type
Bluetooth: btqcomsmd: Fix command timeout after setting BD address
Bluetooth: btinel: Check ACPI handle for NULL before accessing
net: mdio: thunder: Add missing fwnode_handle_put()
net: dsa: mt7530: move setting ssc_delta to PHY_INTERFACE_MODE_TRGMII case
net: dsa: mt7530: move lowering TRGMII driving to mt7530_setup()
net: dsa: mt7530: move enabling disabling core clock to mt7530_pll_setup()
net: asix: fix modprobe "sysfs: cannot create duplicate filename"
gve: Cache link_speed value from device
tools: ynl: Fix genlmsg header encoding formats
net: enetc: fix aggregate RMON counters not showing the ranges
Bluetooth: Remove "Power-on" check from Mesh feature
Bluetooth: Fix race condition in hci_cmd_sync_clear
Bluetooth: btintel: Iterate only bluetooth device ACPI entries
Bluetooth: ISO: fix timestamped HCI ISO data packet parsing
Bluetooth: btusb: Remove detection of ISO packets over bulk
Bluetooth: hci_core: Detect if an ACL packet is in fact an ISO packet
...
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
pull-request: bpf 2023-03-23
We've added 8 non-merge commits during the last 13 day(s) which contain
a total of 21 files changed, 238 insertions(+), 161 deletions(-).
The main changes are:
1) Fix verification issues in some BPF programs due to their stack usage
patterns, from Eduard Zingerman.
2) Fix to add missing overflow checks in xdp_umem_reg and return an error
in such case, from Kal Conley.
3) Fix and undo poisoning of strlcpy in libbpf given it broke builds for
libcs which provided the former like uClibc-ng, from Jesus Sanchez-Palencia.
4) Fix insufficient bpf_jit_limit default to avoid users running into hard
to debug seccomp BPF errors, from Daniel Borkmann.
5) Fix driver return code when they don't support a bpf_xdp_metadata kfunc
to make it unambiguous from other errors, from Jesper Dangaard Brouer.
6) Two BPF selftest fixes to address compilation errors from recent changes
in kernel structures, from Alexei Starovoitov.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
xdp: bpf_xdp_metadata use EOPNOTSUPP for no driver support
bpf: Adjust insufficient default bpf_jit_limit
xsk: Add missing overflow check in xdp_umem_reg
selftests/bpf: Fix progs/test_deny_namespace.c issues.
selftests/bpf: Fix progs/find_vma_fail1.c build error.
libbpf: Revert poisoning of strlcpy
selftests/bpf: Tests for uninitialized stack reads
bpf: Allow reads from uninit stack
====================
Link: https://lore.kernel.org/r/20230323225221.6082-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The pack strings use 'b' signed char for cmd and version but struct
genlmsghdr defines them as unsigned char. Use 'B' instead.
Fixes: 4e4480e89c ("tools: ynl: move the cli and netlink code around")
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/r/20230319193803.97453-1-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Include a test case to validate the XTILEDATA injection to the target.
Also, it ensures the kernel's ability to copy states between different
XSAVE formats.
Refactor the memcmp() code to be usable for the state validation.
Signed-off-by: Chang S. Bae <chang.seok.bae@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/20230227210504.18520-3-chang.seok.bae%40intel.com
Since commit 6c40624930 ("bootconfig: Increase max nodes of bootconfig
from 1024 to 8192 for DCC support") increased the max number of bootconfig
node to 8192, the bootconfig testcase of the max number of nodes fails.
To fix this issue, we can not simply increase the number in the test script
because the test bootconfig file becomes too big (>32KB). To fix that, we
can use a combination of three alphabets (26^3 = 17576). But with that,
we can not express the 8193 (just one exceed from the limitation) because
it also exceeds the max size of bootconfig. So, the first 26 nodes will just
use one alphabet.
With this fix, test-bootconfig.sh passes all tests.
Link: https://lore.kernel.org/all/167888844790.791176.670805252426835131.stgit@devnote2/
Reported-by: Heinz Wiesinger <pprkut@slackware.com>
Link: https://lore.kernel.org/all/2463802.XAFRqVoOGU@amaterasu.liwjatan.org
Fixes: 6c40624930 ("bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Building sigaltstack with clang via:
$ ARCH=x86 make LLVM=1 -C tools/testing/selftests/sigaltstack/
produces the following warning:
warning: variable 'sp' is uninitialized when used here [-Wuninitialized]
if (sp < (unsigned long)sstack ||
^~
Clang expects these to be declared at global scope; we've fixed this in
the kernel proper by using the macro `current_stack_pointer`. This is
defined in different headers for different target architectures, so just
create a new header that defines the arch-specific register names for
the stack pointer register, and define it for more targets (at least the
ones that support current_stack_pointer/ARCH_HAS_CURRENT_STACK_POINTER).
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Link: https://lore.kernel.org/lkml/CA+G9fYsi3OOu7yCsMutpzKDnBMAzJBCPimBp86LhGBa0eCnEpA@mail.gmail.com/
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Current release - regressions:
- phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
- virtio: vsock: don't use skbuff state to account credit
- virtio: vsock: don't drop skbuff on copy failure
- virtio_net: fix page_to_skb() miscalculating the memory size
Current release - new code bugs:
- eth: correct xdp_features after device reconfig
- wifi: nl80211: fix the puncturing bitmap policy
- net/mlx5e: flower:
- fix raw counter initialization
- fix missing error code
- fix cloned flow attribute
- ipa:
- fix some register validity checks
- fix a surprising number of bad offsets
- kill FILT_ROUT_CACHE_CFG IPA register
Previous releases - regressions:
- tcp: fix bind() conflict check for dual-stack wildcard address
- veth: fix use after free in XDP_REDIRECT when skb headroom is small
- ipv4: fix incorrect table ID in IOCTL path
- ipvlan: make skb->skb_iif track skb->dev for l3s mode
- mptcp:
- fix possible deadlock in subflow_error_report
- fix UaFs when destroying unaccepted and listening sockets
- dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
Previous releases - always broken:
- tcp: tcp_make_synack() can be called from process context,
don't assume preemption is disabled when updating stats
- netfilter: correct length for loading protocol registers
- virtio_net: add checking sq is full inside xdp xmit
- bonding: restore IFF_MASTER/SLAVE flags on bond enslave
Ethertype change
- phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
- eth: i40e: fix crash during reboot when adapter is in recovery mode
- eth: ice: avoid deadlock on rtnl lock when auxiliary device
plug/unplug meets bonding
- dsa: mt7530:
- remove now incorrect comment regarding port 5
- set PLL frequency and trgmii only when trgmii is used
- eth: mtk_eth_soc: reset PCS state when changing interface types
Misc:
- ynl: another license adjustment
- move the TCA_EXT_WARN_MSG attribute for tc action
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, wifi and ipsec.
A little more changes than usual, but it's pretty normal for us that
the rc3/rc4 PRs are oversized as people start testing in earnest.
Possibly an extra boost from people deploying the 6.1 LTS but that's
more of an unscientific hunch.
Current release - regressions:
- phy: mscc: fix deadlock in phy_ethtool_{get,set}_wol()
- virtio: vsock: don't use skbuff state to account credit
- virtio: vsock: don't drop skbuff on copy failure
- virtio_net: fix page_to_skb() miscalculating the memory size
Current release - new code bugs:
- eth: correct xdp_features after device reconfig
- wifi: nl80211: fix the puncturing bitmap policy
- net/mlx5e: flower:
- fix raw counter initialization
- fix missing error code
- fix cloned flow attribute
- ipa:
- fix some register validity checks
- fix a surprising number of bad offsets
- kill FILT_ROUT_CACHE_CFG IPA register
Previous releases - regressions:
- tcp: fix bind() conflict check for dual-stack wildcard address
- veth: fix use after free in XDP_REDIRECT when skb headroom is small
- ipv4: fix incorrect table ID in IOCTL path
- ipvlan: make skb->skb_iif track skb->dev for l3s mode
- mptcp:
- fix possible deadlock in subflow_error_report
- fix UaFs when destroying unaccepted and listening sockets
- dsa: mv88e6xxx: fix max_mtu of 1492 on 6165, 6191, 6220, 6250, 6290
Previous releases - always broken:
- tcp: tcp_make_synack() can be called from process context, don't
assume preemption is disabled when updating stats
- netfilter: correct length for loading protocol registers
- virtio_net: add checking sq is full inside xdp xmit
- bonding: restore IFF_MASTER/SLAVE flags on bond enslave Ethertype
change
- phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit number
- eth: i40e: fix crash during reboot when adapter is in recovery mode
- eth: ice: avoid deadlock on rtnl lock when auxiliary device
plug/unplug meets bonding
- dsa: mt7530:
- remove now incorrect comment regarding port 5
- set PLL frequency and trgmii only when trgmii is used
- eth: mtk_eth_soc: reset PCS state when changing interface types
Misc:
- ynl: another license adjustment
- move the TCA_EXT_WARN_MSG attribute for tc action"
* tag 'net-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (108 commits)
selftests: bonding: add tests for ether type changes
bonding: restore bond's IFF_SLAVE flag if a non-eth dev enslave fails
bonding: restore IFF_MASTER/SLAVE flags on bond enslave ether type change
net: renesas: rswitch: Fix GWTSDIE register handling
net: renesas: rswitch: Fix the output value of quote from rswitch_rx()
ethernet: sun: add check for the mdesc_grab()
net: ipa: fix some register validity checks
net: ipa: kill FILT_ROUT_CACHE_CFG IPA register
net: ipa: add two missing declarations
net: ipa: reg: include <linux/bug.h>
net: xdp: don't call notifiers during driver init
net/sched: act_api: add specific EXT_WARN_MSG for tc action
Revert "net/sched: act_api: move TCA_EXT_WARN_MSG to the correct hierarchy"
net: dsa: microchip: fix RGMII delay configuration on KSZ8765/KSZ8794/KSZ8795
ynl: make the tooling check the license
ynl: broaden the license even more
tools: ynl: make definitions optional again
hsr: ratelimit only when errors are printed
qed/qed_mng_tlv: correctly zero out ->min instead of ->hour
selftests: net: devlink_port_split.py: skip test if no suitable device available
...
- Fix the psci_pd_init_topology() failure path in the PSCI cpuidle
driver (Shawn Guo).
- Modify the sleepgraph utility so it does not crash on binary data
in device names (Todd Brandt).
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Merge tag 'pm-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix an error code path issue in a cpuidle driver and make the
sleepgraph utility more robust against unexpected input.
Specifics:
- Fix the psci_pd_init_topology() failure path in the PSCI cpuidle
driver (Shawn Guo)
- Modify the sleepgraph utility so it does not crash on binary data
in device names (Todd Brandt)"
* tag 'pm-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
pm-graph: sleepgraph: Avoid crashing on binary data in device names
cpuidle: psci: Iterate backwards over list in psci_pd_remove()
- Fix ACPI PPTT handling to avoid sleep in the atomic context when it
is not present (Sudeep Holla).
- Add backlight=native DMI quirk for Dell Vostro 15 3535 to the ACPI
video driver (Chia-Lin Kao).
- Add ACPI quirks for I2C device enumeration on Lenovo Yoga Book X90
and Acer Iconia One 7 B1-750 (Hans de Goede).
- Fix handling of invalid command line option values in the ACPI pfrut
utility (Chen Yu).
- Fix references to I2C device data type in the ACPI documentation for
device enumeration (Andy Shevchenko).
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Merge tag 'acpi-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These add some new quirks, fix PPTT handling, fix an ACPI utility and
correct a mistake in the ACPI documentation.
Specifics:
- Fix ACPI PPTT handling to avoid sleep in the atomic context when it
is not present (Sudeep Holla)
- Add 'backlight=native' DMI quirk for Dell Vostro 15 3535 to the
ACPI video driver (Chia-Lin Kao)
- Add ACPI quirks for I2C device enumeration on Lenovo Yoga Book X90
and Acer Iconia One 7 B1-750 (Hans de Goede)
- Fix handling of invalid command line option values in the ACPI
pfrut utility (Chen Yu)
- Fix references to I2C device data type in the ACPI documentation
for device enumeration (Andy Shevchenko)"
* tag 'acpi-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: tools: pfrut: Check if the input of level and type is in the right numeric range
ACPI: PPTT: Fix to avoid sleep in the atomic context when PPTT is absent
ACPI: x86: Add skip i2c clients quirk for Lenovo Yoga Book X90
ACPI: x86: Add skip i2c clients quirk for Acer Iconia One 7 B1-750
ACPI: x86: Introduce an acpi_quirk_skip_gpio_event_handlers() helper
ACPI: video: Add backlight=native DMI quirk for Dell Vostro 15 3535
ACPI: docs: enumeration: Correct reference to the I²C device data type
Pull turbostat fweaks and fixes from Len Brown:
"Leprechaun sized fixes and tweaks touching only turbostat.
'Keeping happy users happy since 2010'"
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: version 2023.03.17
tools/power turbostat: fix decoding of HWP_STATUS
tools/power turbostat: Introduce support for EMR
tools/power turbostat: remove stray newlines from warn/warnx strings
tools/power turbostat: Fix /dev/cpu_dma_latency warnings
tools/power turbostat: Provide better debug messages for failed capabilities accesses
tools/power turbostat: update dump of SECONDARY_TURBO_RATIO_LIMIT
The "excursion to minimum" information is in bit2
in HWP_STATUS MSR. Fix the bitmask used for
decoding the register.
Signed-off-by: Antti Laakso <antti.laakso@intel.com>
Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Introduce support for EMR.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Tested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
When running as non-root the following error is seen in turbostat:
turbostat: fopen /dev/cpu_dma_latency
: Permission denied
turbostat and the man page have information on how to avoid other
permission errors, so these can be fixed the same way.
Provide better /dev/cpu_dma_latency warnings that provide instructions on
how to avoid the error, and update the man page.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat reports some capabilities access errors and not others. Provide
the same debug message for all errors.
[lenb: remove extra quotes]
Cc: David Arcari <darcari@redhat.com>
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add new network selftests for the bonding device which exercise the ether
type changing call paths. They also test for the recent syzbot bug[1] which
causes a warning and results in wrong device flags (IFF_SLAVE missing).
The test adds three bond devices and a nlmon device, enslaves one of the
bond devices to the other and then uses the nlmon device for successful
and unsuccesful enslaves both of which change the bond ether type. Thus
we can test for both MASTER and SLAVE flags at the same time.
If the flags are properly restored we get:
TEST: Change ether type of an enslaved bond device with unsuccessful enslave [ OK ]
TEST: Change ether type of an enslaved bond device with successful enslave [ OK ]
[1] https://syzkaller.appspot.com/bug?id=391c7b1f6522182899efba27d891f1743e8eb3ef
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Acked-by: Jonathan Toppins <jtoppins@redhat.com>
Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The (only recently documented) expectation is that all specs
are under a certain license, but we don't actually enforce it.
What's worse we then go ahead and assume the license was right,
outputting the expected license into generated files.
Fixes: 37d9df224d ("ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause")
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
I relicensed Netlink spec code to GPL-2.0 OR BSD-3-Clause but
we still put a slightly different license on the uAPI header
than the rest of the code. Use the Linux-syscall-note on all
the specs and all generated code. It's moot for kernel code,
but should not hurt. This way the licenses match everywhere.
Cc: Chuck Lever <chuck.lever@oracle.com>
Fixes: 37d9df224d ("ynl: re-license uniformly under GPL-2.0 OR BSD-3-Clause")
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
definitions are optional, commit in question breaks cli for ethtool.
Fixes: 6517a60b03 ("tools: ynl: move the enum classes to shared code")
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The `devlink -j port show` command output may not contain the "flavour"
key, an example from Ubuntu 22.10 s390x LPAR(5.19.0-37-generic), with
mlx4 driver and iproute2-5.15.0:
{"port":{"pci/0001:00:00.0/1":{"type":"eth","netdev":"ens301"},
"pci/0001:00:00.0/2":{"type":"eth","netdev":"ens301d1"},
"pci/0002:00:00.0/1":{"type":"eth","netdev":"ens317"},
"pci/0002:00:00.0/2":{"type":"eth","netdev":"ens317d1"}}}
This will cause a KeyError exception.
Create a validate_devlink_output() to check for this "flavour" from
devlink command output to avoid this KeyError exception. Also let
it handle the check for `devlink -j dev show` output in main().
Apart from this, if the test was not started because the max lanes of
the designated device is 0. The script will still return 0 and thus
causing a false-negative test result.
Use a found_max_lanes flag to determine if these tests were skipped
due to this reason and return KSFT_SKIP to make it more clear.
Link: https://bugs.launchpad.net/bugs/1937133
Fixes: f3348a82e7 ("selftests: net: Add port split test")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Link: https://lore.kernel.org/r/20230315165353.229590-1-po-hsu.lin@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
* Address a rather annoying bug w.r.t. guest timer offsetting. The
synchronization of timer offsets between vCPUs was broken, leading to
inconsistent timer reads within the VM.
x86:
* New tests for the slow path of the EVTCHNOP_send Xen hypercall
* Add missing nVMX consistency checks for CR0 and CR4
* Fix bug that broke AMD GATag on 512 vCPU machines
Selftests:
* Skip hugetlb tests if huge pages are not available
* Sync KVM exit reasons
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM64:
- Address a rather annoying bug w.r.t. guest timer offsetting. The
synchronization of timer offsets between vCPUs was broken, leading
to inconsistent timer reads within the VM.
x86:
- New tests for the slow path of the EVTCHNOP_send Xen hypercall
- Add missing nVMX consistency checks for CR0 and CR4
- Fix bug that broke AMD GATag on 512 vCPU machines
Selftests:
- Skip hugetlb tests if huge pages are not available
- Sync KVM exit reasons"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: selftests: Sync KVM exit reasons in selftests
KVM: selftests: Add macro to generate KVM exit reason strings
KVM: selftests: Print expected and actual exit reason in KVM exit reason assert
KVM: selftests: Make vCPU exit reason test assertion common
KVM: selftests: Add EVTCHNOP_send slow path test to xen_shinfo_test
KVM: selftests: Use enum for test numbers in xen_shinfo_test
KVM: selftests: Add helpers to make Xen-style VMCALL/VMMCALL hypercalls
KVM: selftests: Move the guts of kvm_hypercall() to a separate macro
KVM: SVM: WARN if GATag generation drops VM or vCPU ID information
KVM: SVM: Modify AVIC GATag to support max number of 512 vCPUs
KVM: SVM: Fix a benign off-by-one bug in AVIC physical table mask
selftests: KVM: skip hugetlb tests if huge pages are not available
KVM: VMX: Use tabs instead of spaces for indentation
KVM: VMX: Fix indentation coding style issue
KVM: nVMX: remove unnecessary #ifdef
KVM: nVMX: add missing consistency checks for CR0 and CR4
KVM: arm64: timers: Convert per-vcpu virtual offset to a global value
This adds SOCK_STREAM and SOCK_SEQPACKET tests for invalid buffer case.
It tries to read data to NULL buffer (data already presents in socket's
queue), then uses valid buffer. For SOCK_STREAM second read must return
data, because skbuff is not dropped, but for SOCK_SEQPACKET skbuff will
be dropped by kernel, and 'recv()' will return EAGAIN.
Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This kselftest fixes update for Linux 6.3-rc3 consists of a fix to
amd-pstate test Makefile and a fix to LLVM build for i386 and x86_64
in kselftest common lib.mk.
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Merge tag 'linux-kselftest-fixes-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"A fix to amd-pstate test Makefile and a fix to LLVM build for x86 in
kselftest common lib.mk"
* tag 'linux-kselftest-fixes-6.3-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: fix LLVM build for i386 and x86_64
selftests: amd-pstate: fix TEST_FILES
The test checks if (IPv4, IPv6) address pair properly conflict or not.
* IPv4
* 0.0.0.0
* 127.0.0.1
* IPv6
* ::
* ::1
If the IPv6 address is [::], the second bind() always fails.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The user provides arbitrary non-numeic value to level and type,
which could bring unexpected behavior. In this case the expected
behavior would be to throw an error.
pfrut -h
usage: pfrut [OPTIONS]
code injection:
-l, --load
-s, --stage
-a, --activate
-u, --update [stage and activate]
-q, --query
-d, --revid
update telemetry:
-G, --getloginfo
-T, --type(0:execution, 1:history)
-L, --level(0, 1, 2, 4)
-R, --read
-D, --revid log
pfrut -T A
pfrut -G
log_level:0
log_type:0
log_revid:2
max_data_size:65536
chunk1_size:0
chunk2_size:1530
rollover_cnt:0
reset_cnt:17
Fix this by restricting the input to be in the expected range.
Reported-by: Hariganesh Govindarajulu <hariganesh.govindarajulu@intel.com>
Suggested-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
A regression has occurred in the hid-sensor code where a device
name string has not been initialized to 0, and ends up without
a NULL char and is printed with %s. This includes random binary
data in the device name, which makes its way into the ftrace output
and ends up crashing sleepgraph because it expects the ftrace output
to be ASCII only.
For example: "HID-SENSOR-INT-020b?.39.auto" ends up in ftrace instead
of "HID-SENSOR-INT-020b.39.auto". It causes this crash in sleepgraph:
File "/usr/bin/sleepgraph", line 5579, in executeSuspend
for line in fp:
File "/usr/lib/python3.10/codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position
1568: invalid start byte
The issue is present in 6.3-rc1 and is described in full here:
https://bugzilla.kernel.org/show_bug.cgi?id=217169
A separate fix has been submitted to have this issue repaired, but
it has also exposed a larger bug in sleepgraph, since nothing should
make sleepgraph crash. Sleepgraph needs to be able to handle binary
data showing up in ftrace gracefully.
Modify the ftrace processing code to treat it as potentially binary
and to filter out binary data and leave just the ASCII.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217169
Fixes: 98c062e824 ("HID: hid-sensor-custom: Allow more custom iio sensors")
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add and use a macro to generate the KVM exit reason strings array
instead of relying on developers to correctly copy+paste+edit each
string.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204014547.583711-4-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Print what KVM exit reason a test was expecting and what it actually
got int TEST_ASSERT_KVM_EXIT_REASON().
Signed-off-by: Vipin Sharma <vipinsh@google.com>
Message-Id: <20230204014547.583711-3-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Make TEST_ASSERT_KVM_EXIT_REASON() macro and replace all exit reason
test assert statements with it.
No functional changes intended.
Signed-off-by: Vipin Sharma <vipinsh@google.com>
Reviewed-by: David Matlack <dmatlack@google.com>
Message-Id: <20230204014547.583711-2-vipinsh@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When kvm_xen_evtchn_send() takes the slow path because the shinfo GPC
needs to be revalidated, it used to violate the SRCU vs. kvm->lock
locking rules and potentially cause a deadlock.
Now that lockdep is learning to catch such things, make sure that code
path is exercised by the selftest.
Link: https://lore.kernel.org/all/20230113124606.10221-2-dwmw2@infradead.org
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-5-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The xen_shinfo_test started off with very few iterations, and the numbers
we used in GUEST_SYNC() were precisely mapped to the RUNSTATE_xxx values
anyway to start with.
It has since grown quite a few more tests, and it's kind of awful to be
handling them all as bare numbers. Especially when I want to add a new
test in the middle. Define an enum for the test stages, and use it both
in the guest code and the host switch statement.
No functional change, if I can count to 24.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-4-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add wrappers to do hypercalls using VMCALL/VMMCALL and Xen's register ABI
(as opposed to full Xen-style hypercalls through a hypervisor provided
page). Using the common helpers dedups a pile of code, and uses the
native hypercall instruction when running on AMD.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-3-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Extract the guts of kvm_hypercall() to a macro so that Xen hypercalls,
which have a different register ABI, can reuse the VMCALL vs. VMMCALL
logic.
No functional change intended.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20230204024151.1373296-2-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Right now, if KVM memory stress tests are run with hugetlb sources but hugetlb is
not available (either in the kernel or because /proc/sys/vm/nr_hugepages is 0)
the test will fail with a memory allocation error.
This makes it impossible to add tests that default to hugetlb-backed memory,
because on a machine with a default configuration they will fail. Therefore,
check HugePages_Total as well and, if zero, direct the user to enable hugepages
in procfs. Furthermore, return KSFT_SKIP whenever hugetlb is not available.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Merge commit bf9bec4cb3 ("Merge branch 'bpf: Allow reads from uninit stack'")
from bpf-next to bpf tree to address verification issues in some programs
due to stack usage.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Some fixes accumulated so far.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Some virtio / vhost / vdpa fixes accumulated so far"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
tools/virtio: Ignore virtio-trace/trace-agent
vdpa_sim: set last_used_idx as last_avail_idx in vdpasim_queue_ready
vhost-vdpa: free iommu domain after last use during cleanup
vdpa/mlx5: should not activate virtq object when suspended
vp_vdpa: fix the crash in hot unplug with vp_vdpa
